An Overview of Production of Specific U.S. Gemstones

U.S. Bureau of Mines Special Publication 14-95

CContents

Abstract || Introduction || Data Sources || U.S. Production Chalcedony

• Alaska | Arizona | California | Colorado and Utah | Florida | Idaho | Montana | New Mexico | Oregon | South Dakota | Tennessee | Texas | Washington | Wyoming | Others

Collector or Specialty

• Alaska | Arizona | California | Colorado | Illinois | Idaho | Maine | Massachusetts | Montana | New Hampshire | New Jersey | New Mexico | New York | North Carolina | Ohio | Utah | Others

Feldspar

• New Mexico | Oregon | Virginia | Others

Garnet

• Alaska | Arizona | California | Colorado | Connecticut | Idaho | Montana | Nevada | New Hampshire | New York | North Carolina | Pennsylvania | Utah | Virginia

Opal

• Arizona | Idaho | Louisiana | Nevada | Oregon

Pearls

Peridot

• Arizona | New Mexico

Quartz

• Arkansas | California | New York | Others

Sapphires

• Montana | North Carolina

Synthetic and Simulant

Tourmaline

• California | Maine

Turquoise

• Arizona | California | Colorado | New Mexico | Nevada

Other Sources of Information

Illustrations

End Notes

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Contact:  Donald W. Olson (dolson@usgs.gov)